Triple

T6013820
Position Surface form Disambiguated ID Type / Status
Subject BMT Canarsie Line E133897 entity
Predicate hasRollingStock P1305 FINISHED
Object R179
The R179 is a class of New York City Subway rolling stock built for the B Division, primarily serving lines such as the Canarsie Line with modern features and improved reliability over older car classes.
 E562655 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: R179 | Statement: [BMT Canarsie Line, hasRollingStock, R179]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: R179
Context triple: [BMT Canarsie Line, hasRollingStock, R179]
  • A. R-17
    R-17 is the Soviet-designed short-range ballistic missile better known in the West by its NATO reporting name "Scud-B."
  • B. R129
    R129 is the fourth-generation Mercedes-Benz SL roadster, renowned for its advanced safety features, refined engineering, and iconic 1990s luxury grand-touring design.
  • C. R107
    R107 is the long-running second generation of the Mercedes-Benz SL roadster, produced from the early 1970s to late 1980s and renowned for its durability, safety, and classic styling.
  • D. R91
    R91 is the hull number of the French Navy's flagship aircraft carrier Charles de Gaulle, the country's first nuclear-powered surface vessel.
  • E. R70
    R70 is a London bus route that provides public transport connections to and from Hampton and surrounding areas.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: R179
Triple: [BMT Canarsie Line, hasRollingStock, R179]
Generated description
The R179 is a class of New York City Subway rolling stock built for the B Division, primarily serving lines such as the Canarsie Line with modern features and improved reliability over older car classes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: R179
Target entity description: The R179 is a class of New York City Subway rolling stock built for the B Division, primarily serving lines such as the Canarsie Line with modern features and improved reliability over older car classes.
  • A. R-17
    R-17 is the Soviet-designed short-range ballistic missile better known in the West by its NATO reporting name "Scud-B."
  • B. R129
    R129 is the fourth-generation Mercedes-Benz SL roadster, renowned for its advanced safety features, refined engineering, and iconic 1990s luxury grand-touring design.
  • C. R107
    R107 is the long-running second generation of the Mercedes-Benz SL roadster, produced from the early 1970s to late 1980s and renowned for its durability, safety, and classic styling.
  • D. R91
    R91 is the hull number of the French Navy's flagship aircraft carrier Charles de Gaulle, the country's first nuclear-powered surface vessel.
  • E. R70
    R70 is a London bus route that provides public transport connections to and from Hampton and surrounding areas.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69c0087361a48190905c6b55969852b8 completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c04f544fd88190b6777c4db04e274f completed March 22, 2026, 8:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69c108a7afe88190adeb690f40b2e1e9 completed March 23, 2026, 9:32 a.m.
NEDg Description generation batch_69c10b5816548190b73f19e12cdf8e03 completed March 23, 2026, 9:43 a.m.
NED2 Entity disambiguation (via description) batch_69c10c39fb848190a557278d3cd23560 completed March 23, 2026, 9:47 a.m.
Created at: March 22, 2026, 4:06 p.m.